by NMR spectroscopic analyses. Investigation on the catalytic behaviors of amidate rare-earth metal amides, including two new complexes 1, 2 and three known amidate divalent rare-earth metal amides Ln[N(SiMe3)2](μ-O:κ2-L1)(THF)}2 (Ln = Yb (3), Eu (4)), and Eu2[N(SiMe3)2]2(μ-O:κ2-L2)2(THF)3 (L2 = C6H5C(O)NC6H3(Me)2) (5), revealed that all complexes exhibited high catalytic activities toward the hydrophosphonylation
两种新型酰胺化稀土类
金属酰胺LN [N(森达3)2 ](κ 2 -L 1)2(THF)(L 1 = C 6 H ^ 5 C(O)NC 6 H ^ 3(我PR)2) (Ln = Yb(1),Y(2))通过苯甲酰胺
配体HL 1与Ln [N(SiMe 3)2 ] 3的简单甲
硅烷基胺消除反应制备。在60°C下于
四氢呋喃中溶解。这些配合物通过元素和单晶X射线衍射分析得到了很好的表征,
钇配合物2也通过NMR光谱分析得到了表征。调查酰胺化稀土类
金属
氨化的催化行为,包括两个新的复合物1,2和三种已知的酰胺化物二价稀土
金属酰胺LN [N(森达3)2 ](μ -O:κ 2 -L 1)(THF)} 2(Ln = Yb(3),Eu(4))和Eu 2 [N(SiMe 3)2 ] 2(μ -O:κ 2 -L 2)2(THF)3(L 2 = C 6 H ^ 5 C(O)NC 6 H ^ 3(Me)的2)(5),表